Pith Number

pith:D4I67GYH

pith:2021:D4I67GYHNQ57SK3CKAFLXIQ3UW

not attested not anchored not stored refs pending

Geometric surfaces: An invariant characterization of spherically symmetric black hole horizons and wormhole throats

B. Mattingly, D. D. McNutt, G. Cleaver, M. Gorban, P. Brown, W. Julius

arxiv:2104.08935 v2 · 2021-04-18 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4I67GYHNQ57SK3CKAFLXIQ3UW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

All $2D$ generalised dilaton theories from $d\geq 4$ gravities

Receipt and verification

First computed	2026-07-05T02:51:24.078075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f11ef9b076c3bf92b62500abba21ba5948634218999d9822957dde54d6de77b

Aliases

arxiv: 2104.08935 · arxiv_version: 2104.08935v2 · doi: 10.48550/arxiv.2104.08935 · pith_short_12: D4I67GYHNQ57 · pith_short_16: D4I67GYHNQ57SK3C · pith_short_8: D4I67GYH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/D4I67GYHNQ57SK3CKAFLXIQ3UW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1f11ef9b076c3bf92b62500abba21ba5948634218999d9822957dde54d6de77b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c7d153d7c8a61954a4081c5160e7ac4cea252610220e09e12de212f8233281",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-18T19:19:59Z",
    "title_canon_sha256": "9dc1dd088d8b2efcbbd6411b18091e7ffb10ade2402d4f81770311c1fab4e8f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08935",
    "kind": "arxiv",
    "version": 2
  }
}